BCM2048 Broadcom Corporation, BCM2048 Datasheet
BCM2048
Manufacturer Part Number
BCM2048
Description
BLUETOOTH 2.0 EDR SINGLE-CHIP HCI SOLUTION
Manufacturer
Broadcom Corporation
Datasheet
1.BCM2048.pdf
(2 pages)
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BLUETOOTH® 2.0 + EDR SINGLE-CHIP HCI SOLUTION WITH INTEGRATED FM+RDS RADIO RECEIVER
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Monolithic single die integration of Bluetooth and FM Radio
Bluetooth specification 2.0 +EDR compliant with all data packet types
and lengths supported
Best-in-class Bluetooth radio based on the proven BCM2045 core
Supports class 1 and 2 designs
Integrated InConcert™ 2-wire as well as industry standard 3-wire
collaborative coexistence with WLAN systems
No factory alignment required
5.5 Volt preregulator allows direct connect to lithium batteries
Improved Bluetooth transport with 4-Mbaud UART
Includes numerous enhancements for lower power dissipation
ROM-based solution with flexible code patching
Available in WLCSP 0.6 mm height and FPBGA <1 mm height
Bluetooth 2.0 +EDR compliant with easy migration to future specification
Low external BOM cost and small area with 10 external RLC
components. The PCB foot print is < 35 mm
Operates directly from a lithium battery or from fixed voltages down to
1.65 Volt
Best-in-class RF performance for longest range and ease of system
integration
Full featured FM system with RDS/RBDS capability
FM system can operate independently from Bluetooth
Highly flexible interfaces for control and data/audio routing
Improved power dissipation for longer battery life
S U M M A R Y O F B E N E F I T S
B L U E T O O T H F E A T U R E S
®
GPIO, Clocks
Analog Audio
2
PCM, I
I
UART
2
area.
C Compatible
2
S
BCM2048 Functional Block Diagram
and Memory Unit
Microprocessor
Transport Unit
High-Speed
FM Control
Peripheral
(PTU)
and IO
(uPU)
BCM2048
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Mobile handsets and smart phones
Personal digital assistants
Mobile MP3 players
76-MHz to 108-MHz FM bands supported (US, Europe, and Japan)
Excellent radio performance with 1 uV sensitivity for 26 dB (S+N)/N
FM control through either BSC-compatible interface or Bluetooth HCI
Signal dependant stereo/mono blending
Signal dependant soft mute
Auto search and tuning modes
Audio silence detection
RSSI, IF frequency, status indicators
RDS and RBDS demodulator and decoder with filter and buffering
functions
Operates from 32-kHz or reference clock inputs
Flexible output interfaces including PCM, I
and drivers.
Integrated FM and RDS receiver with only one external cap, one external
inductor and optional antenna matching
Receiver, Modem
Bluetooth Radio
Baseband Core
FM and RDS/
F M + R D S R A D I O F E A T U R E S
RBDS Radio
Transceiver,
Bluetooth
Modem
(BBC)
A P P L I C A T I O N S
2
S, and analog stereo DAC
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BCM2048 Summary of contents
Page 1
... BCM2048 Functional Block Diagram Microprocessor UART and Memory Unit (uPU) GPIO, Clocks High-Speed Peripheral 2 Transport Unit PCM (PTU Compatible FM Control and IO Analog Audio ...
Page 2
... RSSI, signal quality, and IF frequency error indicators for system monitoring. Embedded in the FM subsystem are auto search and scan features and large RDS data buffers to improve interface complexity with an external host. The block diagram above illustrates how the BCM2048 can be used in a cellular application. ® , and the Connecting everything ...